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Asked: 2026-05-22T17:25:08+00:00

I have created a very simple numerical simulation that models an object being thrown

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I have created a very simple numerical simulation that models an object being thrown off a building at some angle, and when the object hits the ground, the simulation stops. Now I want to add in collision detection. How would I go about doing this?
I know I need to find the exact time that the object (a ball) hits the ground, as well as the velocity in the x and y direction, and position of the object when it hits the ground, and I have to add in parameters that say how much the ball will bounce on impact. But I don’t know how to go about doing this. I know that there are various ways of detecting collision but since I am new to this, the most comprehensible method would be best.

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  1. Editorial Team

    • Make a coordinate system, with the ground at y=0. Track the coordinates of the ball as it flies and then check when it has y=0, and that’s where it hits the ground. You can also keep track of the x and y velocity as the ball is moving.

    • Use Physics skillz. This is a good tutorial. If you have it, I recommend Fundamentals of Physics by Halliday, Resnick and Walker. They have a very good chapter on this.

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